Runing PHP with mssql, unable to load dynamic libraries

I am trying to run PHP with a mssql database. I have uncommented the line ,extension=php_mssql.dll,  and added
ntwdblib.dll to the system32 file. I am runing Microsoft XP professional. When I run my code it comes up with "Warning Unknown(): unable to load dynamic library './php_mssql.dll'-The specified module could not be found."  what do I need to do to make PHP work with mssql.
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frederichenryConnect With a Mentor Commented:
Make sure that php_mssql.dll resides in your extensions directory, and that your extension directory is specified correctly in the php.ini to the following:

extension_dir = "c:\php\extensions"

Assuming that c:\php is where you've installed php.

The dll's in the c:\php\dlls folder should be copied over to the windows\system32 directory before starting IIS.

Lastly, the ntwdblib.dll file bundled with PHP does not work with MSSQL.  Copy the version that is on your MSSQL server (in system32) and put it in the same location on your web server.

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